Theorems · Theorem · ring theory

AddMonoidAlgebra.algHom_ext_iff

∀ {R : Type u_1} {A : Type u_4} {B : Type u_5} {M : Type u_7} [inst : CommSemiring R] [inst_1 : Semiring A]
  [inst_2 : Semiring B] [inst_3 : Algebra R A] [inst_4 : Algebra R B] [inst_5 : AddMonoid M]
  {φ₁ φ₂ : AddMonoidAlgebra A M →ₐ[R] B},
  φ₁ = φ₂ ↔
    (∀ (m : M), φ₁ (AddMonoidAlgebra.single m 1) = φ₂ (AddMonoidAlgebra.single m 1)) ∧
      φ₁.comp AddMonoidAlgebra.singleZeroAlgHom = φ₂.comp AddMonoidAlgebra.singleZeroAlgHom

Defined in

Mathlib.Algebra.MonoidAlgebra.Basic

Cited by

0 results in Mathlib

Foundations

Depth 88 from the axioms · uses propext, Classical.choice, Quot.sound

Assumes

CommSemiringSemiringSemiringAlgebraAlgebraAddMonoid